目前在塑料保持架的推广应用中,遇到原材料暂时供应不足的问题.怎么办?开封塑料厂的工人同志给了我们很大的启示,只要坚决按照毛主席的“自力更生”、“艰苦奋斗”的方针办事,任何困难都是可以被克服的. At present, in the promotion and application of plastic cages, we have encountered the problem of temporary supply of raw materials. What should we do? The workers of Kaifeng Plastic Factory gave us great inspiration, as long as we firmly follow Chairman Mao’s “self-reliance” and “hard work”. The principle of doing things, any difficulties can be overcome.